package com.yukong.web.controller;

import com.yukong.dto.FileInfo;
import org.apache.commons.io.IOUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.Date;

/**
 * Description:
 * User: xp
 * Date: 2018-01-04
 * Time: 15:28
 */
@RestController
@RequestMapping("/file")
public class FileController {

    private final    String folder = "/Users/kumataira/Documents/idea_ws/yukong-security/yukong-security-demo/src/main/java/com/yukong/web/controller";


    @PostMapping
    public FileInfo upload(MultipartFile file) throws IOException {
        System.out.println(file.getName());
        System.out.println(file.getOriginalFilename());
        System.out.println(file.getSize());

        File localFile = new File(folder,new Date().getTime()+".txt");
        file.transferTo(localFile);
        return new FileInfo(localFile.getAbsolutePath());
    }

    @GetMapping("/{id}")
    public void download(@PathVariable String id, HttpServletRequest request, HttpServletResponse response){
        try{
            InputStream inputStream = new FileInputStream(new File(folder,id+".txt"));
            OutputStream outputStream = response.getOutputStream();
            response.setContentType("application/x-download");
            response.addHeader("Content-Disposition","attachment;filename-text.txt");
            IOUtils.copy(inputStream,outputStream);
            outputStream.flush();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}
